*{
  margin: 0;
  padding: 0;
  list-style: none;
}
html,body,#root{
  width: 100%;
  height: 100%;
}
/* .demo-swiper { */
  .rv-swiper {
    width: 100%;
    height: 200px;
    
  }
  .rv-swiper img {
    display: block;
    box-sizing: border-box;
    width: 100%;
    height: 240px;
    padding: 30px 60px;
    background-color: #fff;
    pointer-events: none;
  }
/* } */
.jian{
  width: 100%;
  height: 500px;
}
.jian li{
  line-height: 100px;
}